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The journal International Shipbuilding Progress (ISP) was founded in 1954. Each year two issues appear (in March and September). Publications submitted to ISP should describe scientific work of high international standards, advancing subjects related to the field of Marine Technology, such as:
- Concept development
- General design of ships and offshore objects
- Ship and offshore structural design
- Hydro-mechanics and -dynamics
- Maritime engineering and machinery systems
- Production processes of all types of ships and other objects intended for marine use
- Production technology and material science
- Shipping science, economics, and all directly related subjects
- Ship operations
- Offshore and ocean engineering in relation to the marine environment
- Marine safety
- Efficiency, lifecycle, and environment
- Ice-related aspects for ships and offshore objects.
The contents of the papers may be of a fundamental or of an applied scientific nature and must be of the highest novelty and rigor.
Article Type: Research Article
Abstract: Two dimensional hydrodynamic properties are computed for cylinders swaying and rolling in the free surface of an infinite ideal fluid. The cylinders may be of arbitrary cross section. A potential flow solution is employed using multipole expansion and conformal mapping techniques. Results are given for triangular, rectangular, chine, fine and bulbous sections and, wherever it is possible, comparisons are made with previous theoretical and experimental findings for these section shapes. To illustrate the versatility of the method, a pair of rudimentary bilge keels are attached to a ship-shaped section and the influence on the hydrodynamic properties is investigated.
Citation: International Shipbuilding Progress, vol. 27, no. 307, pp. 54-65, 1980
Authors: Latorre, R.
Article Type: Research Article
Abstract: To design quiet ships an understanding of propeller noise is desirable. Starting from cavitation tunnel measurements of tip vortex cavitation (TVC) noise, the ‘TVC noise envelope’ concept was developed to hypothesize that TVC noise N I =N B +N V . N B represents the noise from cavitation nuclei expanding into the tip vortex and N V represents the formation noise of the visible vortex cavity. To test this hypothesis three dimensional foil results were used. By simulating the growth of spherical bubbles spiraling around a Rankine vortex, the N B …component was shown to be in good agreement with the measured TVC noise envelope. By ejecting air from the foil tip, the N V component was experimentally simulated and its noise signal compared with the actual TVC noise signal. From these simulation results, the role of cavitation nuclei, tip vortex strength and radius on the TVC noise mechanism could be better understood. Show more
Citation: International Shipbuilding Progress, vol. 27, no. 307, pp. 66-85, 1980
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